яю- w w w . D a t a S h e e t 4 U . c o m
... A resistor connected between RI and GND sets the constant current source to charge/discharge the internal cap and thus the PWM oscillator frequency is determined. The relationship between RI and switching frequency follows the below equation within the specified RI in Kohm range at nominal loading o ...
... A resistor connected between RI and GND sets the constant current source to charge/discharge the internal cap and thus the PWM oscillator frequency is determined. The relationship between RI and switching frequency follows the below equation within the specified RI in Kohm range at nominal loading o ...
A3918 - Allegro MicroSystems
... It is critical to ensure the maximum rating on the SENSE pin (0.5 V) is not exceeded. Synchronous Rectification When a PWM off-cycle is triggered by an internal fixed off-time cycle, load current recirculates in slow decay SR mode. During slow decay, current recirculates through the sink-side FET an ...
... It is critical to ensure the maximum rating on the SENSE pin (0.5 V) is not exceeded. Synchronous Rectification When a PWM off-cycle is triggered by an internal fixed off-time cycle, load current recirculates in slow decay SR mode. During slow decay, current recirculates through the sink-side FET an ...
Assessment to Study of Voltage Unbalance Effects about Efficiency
... derating in the machine [4],[5], temperature rise, and life reduction [6], increase of losses, and negative effects on the insulation [4],[6] y [7] are some contributions in the area. In recent papers, [1], [2] and [4], the authors have concluded that the efficiency and power factor of the motor dep ...
... derating in the machine [4],[5], temperature rise, and life reduction [6], increase of losses, and negative effects on the insulation [4],[6] y [7] are some contributions in the area. In recent papers, [1], [2] and [4], the authors have concluded that the efficiency and power factor of the motor dep ...
ADA4850-1
... The ADA4850 family provides users with a true single-supply capability, allowing input signals to extend 200 mV below the negative rail and to within 2.2 V of the positive rail. The output of the amplifier can swing within 80 mV of either supply rail. With its combination of low price, excellent dif ...
... The ADA4850 family provides users with a true single-supply capability, allowing input signals to extend 200 mV below the negative rail and to within 2.2 V of the positive rail. The output of the amplifier can swing within 80 mV of either supply rail. With its combination of low price, excellent dif ...
RT8110C - Richtek
... The RT8110C is a compact fixed-frequency PWM controller with integrated MOSFET drivers for single power rail synchronous single-phase buck converter. This part features an internal regulator that allows wide input voltage range operation. The RT8110C utilizes voltage-mode control with internal contr ...
... The RT8110C is a compact fixed-frequency PWM controller with integrated MOSFET drivers for single power rail synchronous single-phase buck converter. This part features an internal regulator that allows wide input voltage range operation. The RT8110C utilizes voltage-mode control with internal contr ...
NEX 24 kV - Matelec Group
... b auxiliary LV sources for various types of switchgear. All these devices are protected and insulated from the MV section. They are in conformity with standard IEC 60044-1. Schneider Electric has drawn up a list of voltage transformers which are appropriate for use with digital protection devices. T ...
... b auxiliary LV sources for various types of switchgear. All these devices are protected and insulated from the MV section. They are in conformity with standard IEC 60044-1. Schneider Electric has drawn up a list of voltage transformers which are appropriate for use with digital protection devices. T ...
FSB137HL ™) Green-Mode Fairchild Power Switch (FPS FS
... The current-limit level is sampled and held at the falling edge of the gate drive signal, as shown in Figure 21. Then the sampled current-limit level is used for the next switching cycle. The sample-and-hold function prevents sub-harmonic oscillation in current-mode control. The current-limit level ...
... The current-limit level is sampled and held at the falling edge of the gate drive signal, as shown in Figure 21. Then the sampled current-limit level is used for the next switching cycle. The sample-and-hold function prevents sub-harmonic oscillation in current-mode control. The current-limit level ...
High Voltage Nanosecond Pulse Measurement Techniques
... the measurement. For example, if a pulser has output leads several meters long going to the load, and these leads are allowed to lie on or near a metal table, this can contribute tens or hundreds of picofarads (pF) of stray capacitance. In many cases, the user’s load may be a dielectric barrier disc ...
... the measurement. For example, if a pulser has output leads several meters long going to the load, and these leads are allowed to lie on or near a metal table, this can contribute tens or hundreds of picofarads (pF) of stray capacitance. In many cases, the user’s load may be a dielectric barrier disc ...
SmartPro 208/120V 5kVA 4kW Line-Interactive Sine Wave
... UPS from the rack UPS external battery pack ships fully assembled and ready for connection to the power module, no time consuming, connection of individual internal ...
... UPS from the rack UPS external battery pack ships fully assembled and ready for connection to the power module, no time consuming, connection of individual internal ...
MPS_Lab_Ex4-ADC
... Before step 14. above it may be necessary to normalize the results with bit shifts in the MAC. The scaling in step 16. may be necessary if the DAC uses a different resolution than the ADC. After implementing the filter, connect the output to the oscilloscope and input different frequencies from the ...
... Before step 14. above it may be necessary to normalize the results with bit shifts in the MAC. The scaling in step 16. may be necessary if the DAC uses a different resolution than the ADC. After implementing the filter, connect the output to the oscilloscope and input different frequencies from the ...
AC Circuits
... In an inductor, the source does work against the back emf of the inductor and energy is stored in the inductor, but when the current begins to decrease in the circuit, the energy is returned to the circuit ...
... In an inductor, the source does work against the back emf of the inductor and energy is stored in the inductor, but when the current begins to decrease in the circuit, the energy is returned to the circuit ...
EXP 4
... ) is used to characterize any semiconductor device that Volts uses its input voltage to control the output current. Other semiconductor devices can be characterized as a trans-resistance type (the input current controls the output voltages). The OTA is a transconductance type device, which means tha ...
... ) is used to characterize any semiconductor device that Volts uses its input voltage to control the output current. Other semiconductor devices can be characterized as a trans-resistance type (the input current controls the output voltages). The OTA is a transconductance type device, which means tha ...
Modulating Functions of Space Vector PWM for Three-Leg VSI
... • SVPWM is well established for a three-phase system with digital implementation [1]. For a two-phase system [2]–[4], particularly for unbalanced outputs, there are a few publications that reveal the explicit space vector modulating functions. • As shown in Fig. 1, a three-leg voltage source inverte ...
... • SVPWM is well established for a three-phase system with digital implementation [1]. For a two-phase system [2]–[4], particularly for unbalanced outputs, there are a few publications that reveal the explicit space vector modulating functions. • As shown in Fig. 1, a three-leg voltage source inverte ...
Lab 2
... The simplest model for a diode is as a switch that is on (short circuit) when current tries to flow in the direction of the arrow in the diode symbol, and off (open circuit) when the current ties to flow in the direction opposite to the arrow. This model doesn’t work all that well for an LED because ...
... The simplest model for a diode is as a switch that is on (short circuit) when current tries to flow in the direction of the arrow in the diode symbol, and off (open circuit) when the current ties to flow in the direction opposite to the arrow. This model doesn’t work all that well for an LED because ...
TPS76701-Q1 数据资料 dataSheet 下载
... Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76750) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is ...
... Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76750) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is ...
Inverter Power Stage Connected with PV-Grid
... using bidirectional devices [8]. Hierarchical control for DC and AC microgrids proposed [9]. A reconfiguration strategy proposed for PV systems to achieve maximum power generation from non-uniformly aged PV module [10]. Grid with PV inverters, owing to the growth of world’s power demand, the necessi ...
... using bidirectional devices [8]. Hierarchical control for DC and AC microgrids proposed [9]. A reconfiguration strategy proposed for PV systems to achieve maximum power generation from non-uniformly aged PV module [10]. Grid with PV inverters, owing to the growth of world’s power demand, the necessi ...
Voltage regulator
A voltage regulator is designed to automatically maintain a constant voltage level. A voltage regulator may be a simple ""feed-forward"" design or may include negative feedback control loops. It may use an electromechanical mechanism, or electronic components. Depending on the design, it may be used to regulate one or more AC or DC voltages.Electronic voltage regulators are found in devices such as computer power supplies where they stabilize the DC voltages used by the processor and other elements. In automobile alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation or along distribution lines so that all customers receive steady voltage independent of how much power is drawn from the line.